The general index of the Qatar Stock Exchange ended trading lower today, losing 44.39 points, or 0.33%, to reach 13,518.81 points. During today's session, 247,843,408 shares were traded, with a value of QAR 688,302,586.809, through 21,260 deals in all sectors. The shares of 19 companies rose, while the prices of 26 other companies declined, while two companies maintained their previous closing price.